近 26 日資料
| 資料日期 | 蓄水率(%) | 有效蓄水量(萬立方公尺) |
|---|---|---|
| 2026-10-30 | 65.4 | 27.08 |
| 2026-10-29 | 64.4 | 26.67 |
| 2026-10-28 | 65.4 | 27.08 |
| 2026-10-27 | 66.4 | 27.48 |
| 2026-10-26 | 67.3 | 27.88 |
| 2026-10-24 | 68.3 | 28.30 |
| 2026-10-22 | 68.8 | 28.50 |
| 2026-10-21 | 70.3 | 29.10 |
| 2026-10-20 | 70.3 | 29.10 |
| 2026-10-19 | 69.8 | 28.90 |
| 2026-10-18 | 70.3 | 29.10 |
| 2026-10-16 | 69.3 | 28.69 |
| 2026-10-15 | 70.3 | 29.10 |
| 2026-10-14 | 70.3 | 29.10 |
| 2026-10-13 | 70.3 | 29.10 |
| 2026-10-12 | 71.3 | 29.51 |
| 2026-10-09 | 70.8 | 29.31 |
| 2026-10-08 | 71.3 | 29.51 |
| 2026-10-07 | 71.3 | 29.51 |
| 2026-10-06 | 71.4 | 29.56 |
| 2026-10-05 | 74.2 | 30.73 |
| 2026-10-04 | 74.2 | 30.73 |
| 2026-10-02 | 76.2 | 31.55 |
| 2026-10-01 | 76.2 | 31.55 |
| 2026-09-30 | 76.2 | 31.55 |
| 2026-09-29 | 76.2 | 31.55 |
來源:水利署「水庫水情資料」與「水庫每日營運狀況」 ↗。本頁每日取西湖水庫當日最新一筆逐時觀測的有效蓄水量,除以每日營運狀況檔的有效容量(41.41 萬立方公尺)算出蓄水率;當日全台可對照水庫不足 50 座的日期整日不採用,蓄水率超過 105% 的異常值排除。